Implement tabless help mode, behaves now like edit mode.

1 files changed, 0 insertions, 635 deletions

diff --git a/src/shared/help/helpviewer.cpp b/src/shared/help/helpviewer.cpp
deleted file mode 100644
index cf19931f43..0000000000
--- a/src/shared/help/helpviewer.cpp
+++ /dev/null
@@ -1,635 +0,0 @@
-/**************************************************************************
-**
-** This file is part of Qt Creator
-**
-** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
-**
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** Commercial Usage
-**
-** Licensees holding valid Qt Commercial licenses may use this file in
-** accordance with the Qt Commercial License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Nokia.
-**
-** GNU Lesser General Public License Usage
-**
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at http://qt.nokia.com/contact.
-**
-**************************************************************************/
-
-#include "helpviewer.h"
-
-#include "centralwidget.h"
-#include "helpmanager.h"
-
-#include <QtCore/QDir>
-#include <QtCore/QEvent>
-#include <QtCore/QVariant>
-#include <QtCore/QByteArray>
-#include <QtCore/QTimer>
-
-#include <QtGui/QMenu>
-#include <QtGui/QKeyEvent>
-#include <QtGui/QClipboard>
-#include <QtGui/QApplication>
-#include <QtGui/QMessageBox>
-#include <QtGui/QDesktopServices>
-
-#include <QtHelp/QHelpEngineCore>
-
-#include <QNetworkAccessManager>
-#include <QNetworkReply>
-#include <QNetworkRequest>
-
-static QString PageNotFoundMessage =
-    QCoreApplication::translate("HelpViewer", "<title>Error 404...</title><div "
-    "align=\"center\"><br><br><h1>The page could not be found</h1><br><h3>'%1'"
-    "</h3></div>");
-
-#if !defined(QT_NO_WEBKIT)
-
-class HelpNetworkReply : public QNetworkReply
-{
-public:
-    HelpNetworkReply(const QNetworkRequest &request, const QByteArray &fileData,
-        const QString &mimeType);
-
-    virtual void abort();
-
-    virtual qint64 bytesAvailable() const
-        { return data.length() + QNetworkReply::bytesAvailable(); }
-
-protected:
-    virtual qint64 readData(char *data, qint64 maxlen);
-
-private:
-    QByteArray data;
-    qint64 origLen;
-};
-
-HelpNetworkReply::HelpNetworkReply(const QNetworkRequest &request,
-        const QByteArray &fileData, const QString &mimeType)
-    : data(fileData), origLen(fileData.length())
-{
-    setRequest(request);
-    setOpenMode(QIODevice::ReadOnly);
-
-    setHeader(QNetworkRequest::ContentTypeHeader, mimeType);
-    setHeader(QNetworkRequest::ContentLengthHeader, QByteArray::number(origLen));
-    QTimer::singleShot(0, this, SIGNAL(metaDataChanged()));
-    QTimer::singleShot(0, this, SIGNAL(readyRead()));
-}
-
-void HelpNetworkReply::abort()
-{
-    // nothing to do
-}
-
-qint64 HelpNetworkReply::readData(char *buffer, qint64 maxlen)
-{
-    qint64 len = qMin(qint64(data.length()), maxlen);
-    if (len) {
-        qMemCopy(buffer, data.constData(), len);
-        data.remove(0, len);
-    }
-    if (!data.length())
-        QTimer::singleShot(0, this, SIGNAL(finished()));
-    return len;
-}
-
-class HelpNetworkAccessManager : public QNetworkAccessManager
-{
-public:
-    HelpNetworkAccessManager(QObject *parent);
-
-protected:
-    virtual QNetworkReply *createRequest(Operation op,
-        const QNetworkRequest &request, QIODevice *outgoingData = 0);
-};
-
-HelpNetworkAccessManager::HelpNetworkAccessManager(QObject *parent)
-    : QNetworkAccessManager(parent)
-{
-}
-
-QNetworkReply *HelpNetworkAccessManager::createRequest(Operation /*op*/,
-    const QNetworkRequest &request, QIODevice * /*outgoingData*/)
-{
-    const QUrl& url = request.url();
-    QString mimeType = url.toString();
-    if (mimeType.endsWith(QLatin1String(".svg"))
-        || mimeType.endsWith(QLatin1String(".svgz"))) {
-            mimeType = QLatin1String("image/svg+xml");
-    } else if (mimeType.endsWith(QLatin1String(".css"))) {
-        mimeType = QLatin1String("text/css");
-    } else if (mimeType.endsWith(QLatin1String(".js"))) {
-        mimeType = QLatin1String("text/javascript");
-    } else if (mimeType.endsWith(QLatin1String(".txt"))) {
-        mimeType = QLatin1String("text/plain");
-    } else {
-        mimeType = QLatin1String("text/html");
-    }
-
-    const QHelpEngineCore &engine = Help::HelpManager::helpEngineCore();
-    const QByteArray &data = engine.findFile(url).isValid()
-        ? engine.fileData(url) : PageNotFoundMessage.arg(url.toString()).toUtf8();
-    return new HelpNetworkReply(request, data, mimeType);
-}
-
-class HelpPage : public QWebPage
-{
-    friend class HelpViewer;
-public:
-    HelpPage(Help::Internal::CentralWidget *central, QObject *parent);
-
-protected:
-    virtual QWebPage *createWindow(QWebPage::WebWindowType);
-
-    virtual bool acceptNavigationRequest(QWebFrame *frame,
-        const QNetworkRequest &request, NavigationType type);
-
-private:
-    Help::Internal::CentralWidget *centralWidget;
-    Qt::MouseButtons m_pressedButtons;
-    Qt::KeyboardModifiers m_keyboardModifiers;
-};
-
-HelpPage::HelpPage(Help::Internal::CentralWidget *central, QObject *parent)
-    : QWebPage(parent)
-    , centralWidget(central)
-    , m_pressedButtons(Qt::NoButton)
-    , m_keyboardModifiers(Qt::NoModifier)
-{
-}
-
-QWebPage *HelpPage::createWindow(QWebPage::WebWindowType)
-{
-    return centralWidget->newEmptyTab()->page();
-}
-
-static bool isLocalUrl(const QUrl &url)
-{
-    const QString scheme = url.scheme();
-    if (scheme.isEmpty()
-        || scheme == QLatin1String("file")
-        || scheme == QLatin1String("qrc")
-        || scheme == QLatin1String("data")
-        || scheme == QLatin1String("qthelp")
-        || scheme == QLatin1String("about"))
-        return true;
-    return false;
-}
-
-bool HelpPage::acceptNavigationRequest(QWebFrame *,
-    const QNetworkRequest &request, QWebPage::NavigationType type)
-{
-    const QUrl &url = request.url();
-    if (isLocalUrl(url)) {
-        const QString& path = url.path();
-        if (path.endsWith(QLatin1String(".pdf"))) {
-            const int lastDash = path.lastIndexOf(QChar('/'));
-            QString fileName = QDir::tempPath() + QDir::separator();
-            if (lastDash < 0)
-                fileName += path;
-            else
-                fileName += path.mid(lastDash + 1, path.length());
-
-            QFile tmpFile(QDir::cleanPath(fileName));
-            if (tmpFile.open(QIODevice::ReadWrite)) {
-                tmpFile.write(Help::HelpManager::helpEngineCore().fileData(url));
-                tmpFile.close();
-            }
-            QDesktopServices::openUrl(QUrl(tmpFile.fileName()));
-            return false;
-        }
-
-        if (type == QWebPage::NavigationTypeLinkClicked
-            && (m_keyboardModifiers & Qt::ControlModifier
-            || m_pressedButtons == Qt::MidButton)) {
-                HelpViewer* viewer = centralWidget->newEmptyTab();
-                if (viewer)
-                    centralWidget->setSource(url);
-                m_pressedButtons = Qt::NoButton;
-                m_keyboardModifiers = Qt::NoModifier;
-                return false;
-        }
-        return true;
-    }
-
-    QDesktopServices::openUrl(url);
-    return false;
-}
-
-HelpViewer::HelpViewer(Help::Internal::CentralWidget *central, QWidget *parent)
-    : QWebView(parent)
-    , parentWidget(central)
-    , multiTabsAllowed(true)
-    , loadFinished(false)
-{
-    setPage(new HelpPage(central, this));
-    settings()->setAttribute(QWebSettings::PluginsEnabled, false);
-    settings()->setAttribute(QWebSettings::JavaEnabled, false);
-
-    page()->setNetworkAccessManager(new HelpNetworkAccessManager(this));
-
-    QAction* action = pageAction(QWebPage::OpenLinkInNewWindow);
-    action->setText(tr("Open Link in New Tab"));
-    if (!central) {
-        multiTabsAllowed = false;
-        action->setVisible(false);
-    }
-
-    pageAction(QWebPage::DownloadLinkToDisk)->setVisible(false);
-    pageAction(QWebPage::DownloadImageToDisk)->setVisible(false);
-    pageAction(QWebPage::OpenImageInNewWindow)->setVisible(false);
-
-    connect(pageAction(QWebPage::Copy), SIGNAL(changed()), this,
-        SLOT(actionChanged()));
-    connect(pageAction(QWebPage::Back), SIGNAL(changed()), this,
-        SLOT(actionChanged()));
-    connect(pageAction(QWebPage::Forward), SIGNAL(changed()), this,
-        SLOT(actionChanged()));
-    connect(page(), SIGNAL(linkHovered(QString, QString, QString)), this,
-        SIGNAL(highlighted(QString)));
-    connect(this, SIGNAL(urlChanged(QUrl)), this, SIGNAL(sourceChanged(QUrl)));
-    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(setLoadFinished(bool)));
-    setAcceptDrops(false);
-}
-
-void HelpViewer::setSource(const QUrl &url)
-{
-    loadFinished = false;
-    if (!homeUrl.isValid())
-        homeUrl = url;
-    load(url);
-}
-
-void HelpViewer::resetZoom()
-{
-    setTextSizeMultiplier(1.0);
-}
-
-void HelpViewer::zoomIn(int range)
-{
-    setTextSizeMultiplier(qMin(2.0, textSizeMultiplier() + range / 10.0));
-}
-
-void HelpViewer::zoomOut(int range)
-{
-    setTextSizeMultiplier(qMax(0.5, textSizeMultiplier() - range / 10.0));
-}
-
-int HelpViewer::zoom() const
-{
-    qreal zoom = textSizeMultiplier() * 10.0;
-    return (zoom < 10.0 ? zoom * -1.0 : zoom - 10.0);
-}
-
-void HelpViewer::home()
-{
-    const QHelpEngineCore &engine = Help::HelpManager::helpEngineCore();
-    QString homepage = engine.customValue(QLatin1String("HomePage"),
-        QLatin1String("")).toString();
-
-    if (homepage.isEmpty()) {
-        homepage = engine.customValue(QLatin1String("DefaultHomePage"),
-            QLatin1String("about:blank")).toString();
-    }
-
-    setSource(homepage);
-}
-
-// TODO: remove this once we support multiple keysequences per command
-void HelpViewer::keyPressEvent(QKeyEvent *e)
-{
-    if (e->key() == Qt::Key_Insert && e->modifiers() == Qt::CTRL) {
-        if (hasSelection())
-            copy();
-    }
-
-    QWebView::keyPressEvent(e);
-}
-
-void HelpViewer::wheelEvent(QWheelEvent *e)
-{
-    if (e->modifiers() & Qt::ControlModifier) {
-        const int delta = e->delta();
-        if (delta > 0)
-            zoomIn(delta / 120);
-        else if (delta < 0)
-            zoomOut(-delta / 120);
-        e->accept();
-        return;
-    }
-    QWebView::wheelEvent(e);
-}
-
-bool HelpViewer::handleForwardBackwardMouseButtons(QMouseEvent *e)
-{
-    if (e->button() == Qt::XButton1) {
-        triggerPageAction(QWebPage::Back);
-        return true;
-    }
-    if (e->button() == Qt::XButton2) {
-        triggerPageAction(QWebPage::Forward);
-        return true;
-    }
-
-    return false;
-}
-
-void HelpViewer::mouseReleaseEvent(QMouseEvent *e)
-{
-#ifndef Q_OS_LINUX
-    if (handleForwardBackwardMouseButtons(e))
-        return;
-#endif
-
-    QWebView::mouseReleaseEvent(e);
-}
-
-void HelpViewer::actionChanged()
-{
-    QAction *a = qobject_cast<QAction *>(sender());
-    if (a == pageAction(QWebPage::Copy))
-        emit copyAvailable(a->isEnabled());
-    else if (a == pageAction(QWebPage::Back))
-        emit backwardAvailable(a->isEnabled());
-    else if (a == pageAction(QWebPage::Forward))
-        emit forwardAvailable(a->isEnabled());
-}
-
-void HelpViewer::mousePressEvent(QMouseEvent *event)
-{
-    HelpPage *currentPage = static_cast<HelpPage*>(page());
-    if ((currentPage != 0) && multiTabsAllowed) {
-        currentPage->m_pressedButtons = event->buttons();
-        currentPage->m_keyboardModifiers = event->modifiers();
-    }
-
-#ifdef Q_OS_LINUX
-    if (handleForwardBackwardMouseButtons(event))
-        return;
-#endif
-
-    QWebView::mousePressEvent(event);
-}
-
-void HelpViewer::setLoadFinished(bool ok)
-{
-    loadFinished = ok;
-    emit sourceChanged(url());
-}
-
-#else  // !defined(QT_NO_WEBKIT)
-
-HelpViewer::HelpViewer(Help::Internal::CentralWidget *central, QWidget *parent)
-    : QTextBrowser(parent)
-    , zoomCount(0)
-    , controlPressed(false)
-    , lastAnchor(QString())
-    , parentWidget(central)
-{
-   document()->setDocumentMargin(8);
-}
-
-void HelpViewer::setSource(const QUrl &url)
-{
-    bool help = url.toString() == QLatin1String("help");
-    if (url.isValid() && !help) {
-        if (launchedWithExternalApp(url))
-            return;
-
-        QUrl u = Help::HelpManager::helpEngineCore().findFile(url);
-        if (u.isValid()) {
-            if (!homeUrl.isValid())
-                homeUrl = url;
-            QTextBrowser::setSource(u);
-            return;
-        }
-    }
-
-    if (help) {
-        QTextBrowser::setSource(QUrl(QLatin1String("qthelp://com.trolltech.com."
-            "assistantinternal_1.0.0/assistant/assistant.html")));
-    } else {
-        QTextBrowser::setSource(url);
-        setHtml(PageNotFoundMessage.arg(url.toString()));
-        emit sourceChanged(url);
-    }
-}
-
-void HelpViewer::resetZoom()
-{
-    if (zoomCount == 0)
-        return;
-
-    QTextBrowser::zoomOut(zoomCount);
-    zoomCount = 0;
-}
-
-void HelpViewer::zoomIn(int range)
-{
-    if (zoomCount == 10)
-        return;
-
-    QTextBrowser::zoomIn(range);
-    zoomCount++;
-}
-
-void HelpViewer::zoomOut(int range)
-{
-    if (zoomCount == -5)
-        return;
-
-    QTextBrowser::zoomOut(range);
-    zoomCount--;
-}
-
-bool HelpViewer::launchedWithExternalApp(const QUrl &url)
-{
-    bool isPdf = url.path().endsWith(QLatin1String("pdf"));
-    if (url.scheme() == QLatin1String("http")
-        || url.scheme() == QLatin1String("ftp")
-        || url.scheme() == QLatin1String("mailto") || isPdf) {
-        bool launched = false;
-        if (isPdf && url.scheme() == QLatin1String("qthelp")) {
-            QString fileName = url.toString();
-            fileName = QDir::tempPath() + QDir::separator() + fileName.right
-                (fileName.length() - fileName.lastIndexOf(QChar('/')));
-
-            QFile tmpFile(QDir::cleanPath(fileName));
-            if (tmpFile.open(QIODevice::ReadWrite)) {
-                tmpFile.write(Help::HelpManager::helpEngineCore().fileData(url));
-                tmpFile.close();
-            }
-            launched = QDesktopServices::openUrl(QUrl(tmpFile.fileName()));
-        } else {
-            launched = QDesktopServices::openUrl(url);
-        }
-
-        if (!launched) {
-            QMessageBox::information(this, tr("Help"),
-                tr("Unable to launch external application.\n"), tr("OK"));
-        }
-        return true;
-    }
-    return false;
-}
-
-QVariant HelpViewer::loadResource(int type, const QUrl &name)
-{
-    QByteArray ba;
-    if (type < 4) {
-        ba = Help::HelpManager::helpEngineCore().fileData(name);
-        if (name.toString().endsWith(QLatin1String(".svg"), Qt::CaseInsensitive)) {
-            QImage image;
-            image.loadFromData(ba, "svg");
-            if (!image.isNull())
-                return image;
-        }
-    }
-    return ba;
-}
-
-void HelpViewer::openLinkInNewTab()
-{
-    if (lastAnchor.isEmpty())
-        return;
-
-    parentWidget->setSourceInNewTab(QUrl(lastAnchor));
-    lastAnchor.clear();
-}
-
-void HelpViewer::openLinkInNewTab(const QString &link)
-{
-    lastAnchor = link;
-    openLinkInNewTab();
-}
-
-bool HelpViewer::hasAnchorAt(const QPoint& pos)
-{
-    lastAnchor = anchorAt(pos);
-    if (lastAnchor.isEmpty())
-        return false;
-
-    lastAnchor = source().resolved(lastAnchor).toString();
-    if (lastAnchor.at(0) == QLatin1Char('#')) {
-        QString src = source().toString();
-        int hsh = src.indexOf(QLatin1Char('#'));
-        lastAnchor = (hsh>=0 ? src.left(hsh) : src) + lastAnchor;
-    }
-
-    return true;
-}
-
-void HelpViewer::contextMenuEvent(QContextMenuEvent *e)
-{
-    QMenu menu(QLatin1String(""), 0);
-
-    QUrl link;
-    QAction *copyAnchorAction = 0;
-    if (hasAnchorAt(e->pos())) {
-        link = anchorAt(e->pos());
-        if (link.isRelative())
-            link = source().resolved(link);
-        copyAnchorAction = menu.addAction(tr("Copy &Link Location"));
-        copyAnchorAction->setEnabled(!link.isEmpty() && link.isValid());
-
-        menu.addAction(tr("Open Link in New Tab\tCtrl+LMB"), this,
-            SLOT(openLinkInNewTab()));
-        menu.addSeparator();
-    }
-    menu.addActions(parentWidget->globalActions());
-    QAction *action = menu.exec(e->globalPos());
-    if (action == copyAnchorAction)
-        QApplication::clipboard()->setText(link.toString());
-}
-
-bool HelpViewer::handleForwardBackwardMouseButtons(QMouseEvent *e)
-{
-    if (e->button() == Qt::XButton1) {
-        QTextBrowser::backward();
-        return true;
-    }
-    if (e->button() == Qt::XButton2) {
-        QTextBrowser::forward();
-        return true;
-    }
-
-    return false;
-}
-
-void HelpViewer::mousePressEvent(QMouseEvent *e)
-{
-#ifdef Q_OS_LINUX
-    if (handleForwardBackwardMouseButtons(e))
-        return;
-#endif
-    QTextBrowser::mousePressEvent(e);
-}
-
-void HelpViewer::mouseReleaseEvent(QMouseEvent *e)
-{
-#ifndef Q_OS_LINUX
-    if (handleForwardBackwardMouseButtons(e))
-        return;
-#endif
-
-    controlPressed = e->modifiers() & Qt::ControlModifier;
-    if ((controlPressed && hasAnchorAt(e->pos())) ||
-        (e->button() == Qt::MidButton && hasAnchorAt(e->pos()))) {
-        openLinkInNewTab();
-        return;
-    }
-
-    QTextBrowser::mouseReleaseEvent(e);
-}
-
-void HelpViewer::keyPressEvent(QKeyEvent *e)
-{
-    if ((e->key() == Qt::Key_Home && e->modifiers() != Qt::NoModifier)
-        || (e->key() == Qt::Key_End && e->modifiers() != Qt::NoModifier)) {
-        QKeyEvent* event = new QKeyEvent(e->type(), e->key(), Qt::NoModifier,
-            e->text(), e->isAutoRepeat(), e->count());
-        e = event;
-    }
-    QTextBrowser::keyPressEvent(e);
-}
-
-void HelpViewer::home()
-{
-    const QHelpEngineCore &engine = Help::HelpManager::helpEngineCore();
-    QString homepage = engine.customValue(QLatin1String("HomePage"),
-        QLatin1String("")).toString();
-
-    if (homepage.isEmpty()) {
-        homepage = engine.customValue(QLatin1String("DefaultHomePage"),
-            QLatin1String("about:blank")).toString();
-    }
-
-    setSource(homepage);
-}
-
-void HelpViewer::wheelEvent(QWheelEvent *e)
-{
-    if (e->modifiers() == Qt::CTRL) {
-        e->accept();
-        (e->delta() > 0) ? zoomIn() : zoomOut();
-    } else {
-        e->ignore();
-        QTextBrowser::wheelEvent(e);
-    }
-}
-
-#endif  // !defined(QT_NO_WEBKIT)